RHSA-2019:0139
Vulnerability from csaf_redhat - Published: 2019-01-22 16:30 - Updated: 2026-03-18 01:45Summary
Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.2.0 security update
Severity
Moderate
Notes
Topic: Red Hat JBoss Enterprise Application Platform 7.2.0 is now available.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server.
This release serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.1, and includes bug fixes and enhancements. Refer to the Red Hat JBoss Enterprise Application Platform 7.2.0 Release Notes for information on the most significant bug fixes and enhancements included in this release.
Security Fix(es):
* picketlink: SAML request parser replaces special strings with system properties (CVE-2017-2582)
For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.
The CVE-2017-2582 issue was discovered by Hynek Mlnarik (Red Hat).
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
It was found that while parsing the SAML messages the StaxParserUtil class of Picketlink replaces special strings for obtaining attribute values with system property. This could allow an attacker to determine values of system properties at the attacked system by formatting the SAML request ID field to be the chosen system property which could be obtained in the "InResponseTo" field in the response.
6.5 (Medium)
Vendor Fix
Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.
The References section of this erratum contains a download link (you must log in to download the update).
The JBoss server process must be restarted for the update to take effect.
https://access.redhat.com/errata/RHSA-2019:0139
References
Acknowledgments
Red Hat
Hynek Mlnarik
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"notes": [
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"text": "It was found that while parsing the SAML messages the StaxParserUtil class of Picketlink replaces special strings for obtaining attribute values with system property. This could allow an attacker to determine values of system properties at the attacked system by formatting the SAML request ID field to be the chosen system property which could be obtained in the \"InResponseTo\" field in the response.",
"title": "Vulnerability description"
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{
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"text": "keycloak: SAML request parser replaces special strings with system properties",
"title": "Vulnerability summary"
},
{
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.0"
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"threats": [
{
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"details": "Moderate"
}
],
"title": "keycloak: SAML request parser replaces special strings with system properties"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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